Free Backlink Intelligence Platform
Upload Backlinks. Analyze. Dominate Search.
Instantly classify, score, and understand every backlink from Ahrefs, Semrush, Moz, or Majestic exports — with enterprise-grade intelligence, 100% free.
- 100% Free
- No Account Required
Trusted by SEO Professionals
Why SEO Booster?
Enterprise-grade backlink intelligence — without enterprise pricing.
37 Classification Rules
Every link labeled by type, quality, toxic risk, and confidence — in seconds.
One Engine, Every Tool
Upload once in Project Workspace. Every tool reads from the same dataset.
100% Browser Privacy
Your CSV stays in your browser. Only link fields hit our API — never the full file.
Audit Ready Exports
Filter by category. Export client reports, disavow files, and outreach lists instantly.
Built for SEO Pros
Decision intelligence, toxic analysis, and category breakdowns agencies expect.
Tool Ecosystem
Three free tools. One powerful engine.
Backlink Classifier
Classify every link across 28 categories with quality and toxic scores.
Project Workspace
Upload once. Run every tool from the same classified dataset.
Guest Post Checker
Isolate guest post placements with domain distribution and export.
How It Works
Upload CSV
Drop your Ahrefs or Semrush export
Classify
Engine v1 labels every backlink
Analyze
Dashboard, scores, and intelligence
Export
Download audit-ready reports
Ready to classify your backlinks?
Upload your first CSV and get a full intelligence report in under a minute.
Frequently Asked Questions
What CSV formats are supported?
Ahrefs, Semrush, Moz, Majestic, Google Search Console, and generic CSV exports with source and target URL columns.
Is SEO Booster really free?
Yes. All tools are free with no account required. Engine v1.0 powers every tool at no cost.
Does SEO Booster store my backlink data?
Your CSV is parsed in your browser. Only individual link fields are sent to our classification API — never the full file.
How is this different from Ahrefs or Semrush?
They export raw link data. SEO Booster classifies every link by placement type, quality score, and toxic risk.
Which tools are available today?
Backlink Classifier, Project Workspace, and Guest Post Checker — all free and powered by the same engine.
Can I use this for client work?
Yes. Export classified CSVs by category for client reports, disavow files, and outreach lists.